nationally, the latest gallup poll shows mitt romney leading president obama 49% to 47%. that spread is within the margin of error, so it's essentially a tie. in ohio, new polling today shows this: pollster a.r.g. has romney up by one point, 48% to 47%. but a cnn poll has the president up by four, 51% to 47%. either way, it's an improvement for romney who was falling well behind in ohio until last week's debate. both candidates were in ohio today where this is the last day to register to vote. our campaign 2012 correspondents are there, too, and we'll go to nancy cordes with the obama campaign. >> reporter: scott, ohio is the grand prize for the obama campaign. they have 120 field offices here, the president has held 17 rallies in this state, more than any other state, but in the debate last week he failed to mention some major issues that are very important to ohio voters, like that auto bailout or shipping jobs overseas. that's a mistake he did not make today here in columbus. >> when you think about ohio, when governor romney said that we should let the auto industry g